Unscramble Itsdefs

What is the meaning of word itsdefs unscrambled?

What 7 letter words can be made from letters I T S D E F S:

Make more words by adding or removing letters

How many 6 letter words can you make from letters I T S D E F S?

1. deists - Definition of deists

2. desist - Definition of desist

3. feists - Definition of feists

4. fisted - Definition of fisted

5. sifted - Definition of sifted

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tsdefs
2) Removing the letter T and unscrambling isdefs
3) Removing the letter S and unscrambling itdefs
4) Removing the letter D and unscrambling itsefs
5) Removing the letter E and unscrambling itsdfs
6) Removing the letter F and unscrambling itsdes
7) Removing the letter S and unscrambling itsdef

More anagrams containing the letters I T S D E F S
itsdesf itsdfes eifdsts seifsdt